Blastrac 1-7D - Description

1-7D Operating Instructions
General
3.3 Description
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1-7D
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Fig. 3.1
1 Blast housing 8 Sealing
2 Separator 9 Control cage
3 Steering handle 10 Swivel castors
4 Electric cable 11 Toothed washer
5 Abrasive control handle 12 Blast wheel motor
6 Limit switch 13 Control lever
7 Wheels
Like many revolutionary inventions the blast wheel method is based
on a simple principle: after mechanical pre-acceleration the abrasive
is thrown onto the surface at high speed by the blast wheel. Once the
abrasive has impacted on the surface it rebounds into a rebound
plenum. The rebound plenum deflects the abrasive into an air current
separator. Here dust and other contaminants are removed from the
abrasive so that only abrasive containing a very small amount of dust
is fed into the abrasive storage hopper for re-use by the blast wheel.
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